# Bretton AI funding: rounds and investors

> Bretton AI has raised $75M across 1 round since 2026. Investors include Sapphire Ventures, Y Combinator and General Catalyst. Every round with its source.

Source: https://millionrounds.com/company/bretton-ai (Millionrounds; every figure on the page links to its filing or article)

United States · [Series B startup](https://millionrounds.com/companies)

# Who invested in *Bretton AI*

One round we have observed, with the 7 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

AI Financial Services Fintech Regtech

Raised 9 months ago

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Funding summary Updated 5 Nov 2026

**$75M** raised across 1 round since 2026, from 1 source

- **Latest round:** Series B, $75M Feb 2026
- **Led by:** Sapphire Ventures
- **Investors:** 7 (1 led)

See who backed them

## The rounds

- **Feb 2026** Series B **$75M** [Sapphire Ventures](https://millionrounds.com/fund/sapphire-ventures) Lead [Y Combinator](https://millionrounds.com/fund/y-combinator) [General Catalyst](https://millionrounds.com/fund/general-catalyst) [Greylock](https://millionrounds.com/fund/greylock-partners) [Canvas Ventures](https://millionrounds.com/fund/canvas-fund) [Thomson Reuters Ventures](https://millionrounds.com/fund/thomson-reuters-ventures-2) [TIAA Ventures](https://millionrounds.com/fund/tiaa-ventures) Reported by Ventureburn

## Founders and team

From Bretton AI's own website: 2 on the team.

- **Brian Hamilton** President at Coastal Community Bank
- **John Wiethorn** BSA Officer at Gusto

## Everyone who backed them

[Sapphire Ventures](https://millionrounds.com/fund/sapphire-ventures) VC firm **1** round, led 1

[Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **1** round

[General Catalyst](https://millionrounds.com/fund/general-catalyst) VC firm **1** round

[Greylock](https://millionrounds.com/fund/greylock-partners) VC firm **1** round

[Canvas Ventures](https://millionrounds.com/fund/canvas-fund) VC firm **1** round

[Thomson Reuters Ventures](https://millionrounds.com/fund/thomson-reuters-ventures-2) Corporate VC **1** round

[TIAA Ventures](https://millionrounds.com/fund/tiaa-ventures) Growth equity **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=bretton-ai).

## Quick answers about Bretton AI

### Who invested in Bretton AI?

Bretton AI's investors include Sapphire Ventures, Y Combinator, General Catalyst, Greylock and Canvas Ventures, and 2 more on record. Sapphire Ventures led its latest round.

### How much has Bretton AI raised?

Bretton AI has raised $75M across 1 round since 2026.

### When did Bretton AI last raise?

Bretton AI's most recent round was a Series B of $75M in Feb 2026, led by Sapphire Ventures.

### What was Bretton AI's biggest round?

Its most recent round, $75M in Feb 2026, is also its largest on record.

### Who backed Bretton AI first?

Bretton AI's first round on record, in Feb 2026, was backed by Sapphire Ventures, Y Combinator and General Catalyst and 4 others.

### What stage is Bretton AI at?

Bretton AI's latest named round is a Series B, in Feb 2026.

### Where is Bretton AI based?

Bretton AI is based in the United States.

### Who led Bretton AI's rounds?

Sapphire Ventures led the Series B in 2026.

## Companies like Bretton AI

In the same sector, and raised in the last eighteen months.

[**Journify** $12M · Nov 2026](https://millionrounds.com/company/journify)[**Nooks** $543M · Nov 2026](https://millionrounds.com/company/nooks)[**Laza Medical** $160M · Nov 2026](https://millionrounds.com/company/laza-medical)[**e2e** $8.0M · Nov 2026](https://millionrounds.com/company/e2e)[**Agrani Labs** $123M · Nov 2026](https://millionrounds.com/company/agrani-labs)[**Applied Compute** $580M · Nov 2026](https://millionrounds.com/company/applied-compute)

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